The vulnerability of the rds_tcp_tune() function in the net/rds/tcp.c module, which implements networking functions for the Linux operating system’s kernel, allows a hacker to cause a service failure.

The vulnerability of the rdstcptune function in the net/rds/tcp.c module, which implements networking functions in the Linux kernel, is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause service failures...

SUSE CVE-2026-68290

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: unregister sysctl before tearing down listen socket rdstcpexitnet frees the per-netns RDS TCP listen socket via rdstcpkillsock before unregistering the per-netns sysctl table. Since rdstcpskbufhandler derives the netns...

CVE-2026-74563

A flaw was found in the Linux kernel's Reliable Datagram Sockets RDS TCP module. The rdstcpladdrcheck function fails to hold the Read-Copy-Update RCU lock across an IPv6 address check. This allows a race condition where a network device can be freed while still being referenced, leading to a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099910)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099910 advisory. In the Linux kernel, the following vulnerability has been resolved: net/rds: No shortcut out of RDSCONNERROR RDS connections carry a state rdsconnpath::cpstate and...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-100125)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100125 advisory. In the Linux kernel, the following vulnerability has been resolved: net: rds: clear isends on setup unwind The RDS IB connection teardown path is written so it can r...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099897)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099897 advisory. In the Linux kernel, the following vulnerability has been resolved: net/rds: fix NULL deref in rdsibsendcqehandler on masked atomic completion rdsibxmitatomic always...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100350)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100350 advisory. In the Linux kernel, the following vulnerability has been resolved: net/rds: No shortcut out of RDSCONNERROR RDS connections carry a state rdsconnpath::cpstate and...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100700)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100700 advisory. In the Linux kernel, the following vulnerability has been resolved: net/rds: fix NULL deref in rdsibsendcqehandler on masked atomic completion rdsibxmitatomic always...

Vulnerability of components of Linux operating system’s kernel’s RDS, allowing a hacker to cause a service failure

The vulnerability of Linux operating system kernel’s rds components is related to incomplete recognition of internal states. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

SUSE CVE-2026-74563

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

AZL-96222 CVE-2026-74563 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

CVE-2026-74563

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

CVE-2026-74563

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

CVE-2026-74563

CVE-2026-74563 concerns the Linux kernel RDS TCP binding path. Ongoing code path in rds_tcp_laddr_check() looked up a scoped IPv6 interface with dev_get_by_index_rcu(), released the RCU read lock, and then passed the net_device into ipv6_chk_addr(). After rcu_read_unlock(), a concurrent RTM_DELLI...

CVE-2026-74563

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

CVE-2026-74563 rds: tcp: hold the RCU lock across ipv6_chk_addr() in rds_tcp_laddr_check()

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

EUVD-2026-59628

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

CVE-2026-74563 rds: tcp: hold the RCU lock across ipv6_chk_addr() in rds_tcp_laddr_check()

In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU read-side lock, and only then passes the bare struct netdevice into...

Linux Distros Unpatched Vulnerability : CVE-2026-74563

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rds: tcp: hold the RCU lock across ipv6chkaddr in rdstcpladdrcheck rdstcpladdrcheck looks up a scoped IPv6 interface with devgetbyindexrcu, drops the RCU...

PT-2026-73015

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel. The function rds tcp laddr check retrieves a scoped IPv6 interface using dev get by index rcu but releases the RCU read-side lock...